/Engine/Plugins/FX/Niagara/Source/Niagara/Public/NiagaraSystemInstance.h
const [TArray](API\Runtime\Core\Containers\TArray)< [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [FNiagaraEmitterInstance](API\Plugins\Niagara\FNiagaraEmitterInstance), ESPMode::ThreadSafe > > & GetEmitters() const